What was found
APU WILL NOT START "GCU" SPARKS "IGN BOX" FAULT(<P>REMOVED AND INSTALLED SERVICEABLE IGNITION EXCITER IAW AMM 49-41-03. APU STARTS AND FUNCTIONS PROPERLY </P>)
- Difficulty date
- July 20, 2021
- Submitted
- July 23, 2021
- Operation
- Air carrier
- Aircraft
- N1327A
- Make and model
- Boeing 76737D
- Aircraft serial
- 26328
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Exciter
- Part number
- 106170756
- Part serial
- 87456984
- Condition
- Faulted
- Location
- Apu
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.